Section 321I.30 - Consistent local laws - special local rules1. This chapter and other applicable laws of this state shall govern the operation, equipment, numbering, and all other matters relating to an all-terrain vehicle when the all-terrain vehicle is operated or maintained in this state. However, this chapter does not prevent the adoption of an ordinance or local law relating to the operation or equipment of all-terrain vehicles. The ordinances or local laws are operative only so long as they are not inconsistent with this chapter or the rules adopted by the commission.2. A subdivision of this state, after public notice by publication in a newspaper having a general circulation in the subdivision, may make formal application to the commission for special rules concerning the operation of all-terrain vehicles within the territorial limits of the subdivision and shall provide the commission with the reasons the special rules are necessary.3. The commission, upon application by local authorities and in conformity with this chapter, may make special rules concerning the operation of all-terrain vehicles within the territorial limits of a subdivision of this state.